Comment on “Nonreciprocal Light Propagation in a Silicon Photonic Circuit”-Reference-Cited by-同舟云学术

Comment on “Nonreciprocal Light Propagation in a Silicon Photonic Circuit”

Published:2012-01-06 Issue:6064 Volume:335 Page:38-38
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Fan Shanhui¹,Baets Roel²³,Petrov Alexander⁴,Yu Zongfu¹,Joannopoulos John D.⁵,Freude Wolfgang⁶⁷,Melloni Andrea⁸,Popović Miloš⁹,Vanwolleghem Mathias¹⁰¹¹,Jalas Dirk⁴,Eich Manfred⁴,Krause Michael¹²,Renner Hagen¹²,Brinkmeyer Ernst¹²,Doerr Christopher R.¹³

Affiliation:

1. Ginzton Laboratory, Department of Electrical Engineering, Stanford University, Stanford, CA 94305, USA.

2. Photonics Research Group, Department of Information Technology, Ghent University-IMEC, B-9000 Ghent, Belgium.

3. Center for Nano- and Biophotonics, Ghent University, B-9000 Ghent, Belgium.

4. Hamburg University of Technology, Institute of Optical and Electronic Materials, Eissendorfer Strasse 38, D-21073 Hamburg, Germany.

5. Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.

6. Institute of Photonics and Quantum Electronics (IPQ), Karlsruhe Institute of Technology (KIT), Germany.

7. Institute of Microstructure Technology (IMT), Karlsruhe Institute of Technology (KIT), Germany.

8. Dipartimento di Elettronica e Informazione, Politecnico di Milano, 20133 Milano, Italy.

9. Department of Electrical, Computer, and Energy Engineering, University of Colorado, Boulder, CO 80309, USA.

10. Université Paris-Sud, Institut d’Electronique Fondamentale, UMR8622, Orsay, F-91405, France.

11. CNRS, Orsay, F-91405, France.

12. Hamburg University of Technology, Institute of Optical Communication Technology, Eissendorfer Strasse 40, D-21073 Hamburg, Germany.

13. Acacia Communications Inc., Three Clock Tower Place, Suite 210, Maynard, MA 01754, USA.

Abstract

We show that the structure demonstrated by Feng et al . (Reports, 5 August 2011, p. 729) cannot enable optical isolation because it possesses a symmetric scattering matrix. Moreover, one cannot construct an optical isolator by incorporating this structure into any system as long as the system is linear and time-independent and is described by materials with a scalar dielectric function.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference13 articles.

1. Nonreciprocal Light Propagation in a Silicon Photonic Circuit

2. Irreversible coupling by use of dissipative optics

3. Unidirectional complex gratings assisted couplers

4. H. A. Haus Waves and Fields in Optoelectronics (Prentice-Hall Englewood Cliffs NJ 1984) pp. 56–61.

5. R. E. Collin Field Theory of Guided Waves (McGraw-Hill New York 1960).

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